Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/5392
Title: Preconcentration of Cr(III), Co(II), Cu(II), Fe(III) and Pb(II) as calmagite chelates on cellulose nitrate membrane filter prior to their flame atomic absorption spectrometric determinations
Authors: Soylak, M.
Divrikli, U.
Elçi, Latif
Dogan, M.
Keywords: Calmagite
Cellulose nitrate membrane
Mineral and drinking waters
Preconcentration
Absorption spectroscopy
Cellulose
Chromium
Cobalt
Copper
Iron
Lead
Membranes
pH effects
Relative standard deviations
Chelation
calmagite
chelate
chromium
cobalt
copper
ferric ion
lead
mineral water
pyroxylin
tap water
unclassified drug
analytic method
article
atomic absorption spectrometry
chelation
concentration process
dissolution
drug determination
flame photometry
mathematical analysis
membrane filter
metal binding
pH
product recovery
quantitative diagnosis
water sampling
Publisher: Elsevier
Abstract: A method for the preconcentration and determination of Cr(III), Co(II), Cu(II), Fe(III) and Pb(II) ions by atomic absorption spectrometry has been described. The method was based the collection of metal-calmagite complexes on a soluble cellulose nitrate membrane filter. The detection of the solution was obtained by flame atomic absorption spectrometry (FAAS) after completely dissolving the membrane with 0.5 ml of nitric acid at 80°C. The metal ions were recovered quantitatively at pH 8. Various factors which affect the collection and determination of metal ions such as, type and size of the membrane filter, solvent for dissolution of the species retained on the filter were investigated. The detection limits were varying 0.06 µg 1-1 for Cu to 2.5 µg 1-1 for Cr. An application of the proposed method for analyte ions in mineral and tap water samples was also described with satisfactory results (recoveries > 95%, relative standard deviations < 10%). © 2002 Elsevier Science B.V. All rights reserved.
URI: https://hdl.handle.net/11499/5392
https://doi.org/10.1016/S0039-9140(01)00575-6
ISSN: 0039-9140
Appears in Collections:Fen-Edebiyat Fakültesi Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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